Find the solution using Gaussian elimination: w + 2x − y + z = 6 −w + x + 2y − z = 3 2w − x + 2y + 2z = 14 w + x − y + 2z = 8

Q: 16-30 INTEGRATION Integrate by a suitable method: 16. 4z3 + 2z from -i to 2 + i along any path

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Q: Year Global plastic production (tonnes-year¬1) 46,000,000 64,000,000 72,000,000 86,000,000…

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Q: ) Explain why you can write any real number a # 0 in the form form a = = ±2³nr, where 1 <r < 8 and n…

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Q: A patient needs 4mg of a medication. The Australian Injectables Drug Handbook states that each gram…

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Q: 1. Find the domain and range of the following: 1 (a) f(x, y) = y – x² (b) g(x, y) = 9 – x² – y? (c)…

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Q: B. Find the area of the region bounded by the following: 19. inside /* = 5 sin and outside = 2+ sin

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Q: 4.W: Which of the sequences {an} converge and which diverge: 1-n 3 n+(-1)" 2. an 1. an 70- 4n2

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Q: 13 Which restrictions apply to the variable in I. x > 0 II. x 2 o II. x 0 IV.x e R V. ye R

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Q: Prove by contraposition that if x^5 + 7x^3 + 5x >= x^4 + x^2 +8, then x >= 0

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Q: Find the volume of the region W bounded by x² + y² = 1, z=1-2²-y², and z=1+z²+y².

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